Home / 249,988.36-344,984.52-136,818.40

Finding the Fourth Proportional to 249,988.36, 344,984.52 and 136,818.40

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Solution

The fourth proportional to 249,988.36, 344,984.52 and 136,818.40 is: 188,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,988.36 : 344,984.52 = 136,818.40 : x
  2. Step 2: Convert to fraction form
    249,988.36/344,984.52 = 136,818.40/x
  3. Step 3: Cross multiply
    249,988.36x = 344,984.52 × 136,818.40
  4. Step 4: Simplify right side
    249,988.36x = 47,200,230,051.17
  5. Step 5: Solve for x
    x = 47,200,230,051.17/249,988.36
  6. Step 6: Final answer
    x = 188,809.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.